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SEKEN: secure and efficient key exchange for sensor networks

SEKEN: secure and efficient key exchange for sensor networks

引用

ieee international conference on Performance, computing and Communications (IPCCC)

作者： K. Jamshaid L. Schwiebert Department of Computer Science Wayne State University Detroit MI USA

Wireless sensor networks are edging closer to widespread feasibility with recent research showing promising results in developing and adapting new mechanisms to suit their environment. Secure communication between these distributed wireless devices is a desired characteristic, especially in scenarios where these sensors would be used for military and other mission-critical operations. This paper highlights some of the research challenges for extending secure communications over these resource-limited devices and points out why current protocols do not scale well in this unique application realm. A new key setup protocol (SEKEN) is proposed that neatly fits into the requirements of these device types. The performance of SEKEN is then analyzed against some other possible key setup mechanisms. Our initial results confirm that it performs better under most of the conditions anticipated for general wireless sensor networks.

关键词： Wireless sensor networks sensor phenomena and characterization Protocols Intelligent sensors Biosensors Power system security Computer science Information security sensor systems Communication system security

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Architecture of sensor based agricultural information system for effective planning of farm activities

Architecture of sensor based agricultural information system...

引用

ieee international conference on Services computing (SCC)

作者： S. Chaudhary V. Sorathia Z. Laliwala Dhirubhai Ambani Institute of Information Communication Technology (DA-IICT) Gandhinagar India

The effectiveness of decision-making in agriculture domain can be improved by integrating current local environmental conditions with agricultural information system (AIS). To achieve this objective a series of functional blocks is proposed; which involves collection of environmental parameters from the farm, merging data from multiple sensors, communicating the collected data to the application server, extracting required information, defining ETL process, integration with ancillary data, analysis and presentation services. Web service based architecture comprising of distributed components is proposed to support the computational need. The proposed architecture extends analytical capabilities of end users with the help of multi dimensional expressions and OLAP.

关键词： sensor systems Information systems Computer architecture Decision making Agriculture Merging Data mining Data analysis Information analysis Web services

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Sindrion: a prototype system for low-power wireless control networks

Sindrion: a prototype system for low-power wireless control ...

引用

ieee Internatonal conference on Mobile Adhoc and sensor systems (MASS)

作者： Y. Gsottberger X. Shi G. Stromberg W. Weber T.F. Sturm H. Linde E. Naroska P. Schramm Infineon Technologies Munich Germany University of Federal Armed Forces Munich Neubiberg Germany University of Dortmund Dortmund Germany

We present a system architecture called Sindrion which allows us to create a cheap, energy-efficient, wireless control network to integrate small embedded sensors and actuators into one of the most established middleware platforms for distributed semantic services, namely universal plug and play (UPnP). To meet rigid constraints regarding cost and power consumption, complex data processing is sourced out from the sensor or actuator nodes to dedicated computing terminals, which establish a proxy in the UPnP network.

关键词： Prototypes Control systems Wireless sensor networks Actuators Energy efficiency sensor systems Middleware Plugs Costs Energy consumption

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Dynamic proxy tree-based data dissemination schemes for wireless sensor networks

Dynamic proxy tree-based data dissemination schemes for wire...

引用

ieee Internatonal conference on Mobile Adhoc and sensor systems (MASS)

作者： Wensheng Zhang Guohong Cao T. La Porta Department of Computer Science and Engineering Pennsylvania State University University Park PA USA

In wireless sensor networks, efficiently disseminating data from a dynamic source to multiple mobile sinks is important for applications such as mobile target detection and tracking. A tree-based multicasting scheme can be used. However, due to the short communication range of each sensor node and the frequent movement of sources and sinks, a sink may fail to receive data due to broken paths, and the tree should frequently be reconfigured to reconnect sources and sinks. To address the problem, we propose a dynamic proxy tree-based framework. A big challenge in implementing the framework is how to reconfigure the proxy tree efficiently as sources and sinks change. We model the problem as on-line construction of a minimum Steiner tree in a Euclidean plane, and propose centralized schemes to solve it. Considering the strict energy constraints in wireless sensor networks, we further propose two distributed on-line schemes, a shortest path-based (SP) scheme and a spanning range-based (SR) scheme. Extensive simulations are conducted to evaluate the schemes. The results show that the distributed schemes have similar performance to the centralized ones, and among the distributed schemes, SR outperforms SP.

关键词： Wireless sensor networks sensor phenomena and characterization Mobile computing Strontium Computer science Data engineering Electronic mail Application software Object detection Target tracking

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Showcasing the features and capabilities of NEESgrid: a grid based system for the earthquake engineering domain 04

Showcasing the features and capabilities of NEESgrid: a grid...

引用

international Symposium on High Performance distributed computing

作者： S. Gullapalli S. Dyke P. Hubbard D. Marcusiu L. Pearlman C. Severance Information Sciences Institute University of Southern California Los Angeles CA USA Washington University of Saint Louis MO USA Argonne National Laboratory Argonne IL USA National Center for Supercomputing Applications UIUC Champaign IL USA University of Michigan Ann Arbor MI USA

The NEESgrid project is revolutionizing the way earthquake engineering (EE) researchers collaborate to plan, perform, share and publish research even while being geographically separated. The proposed demonstration is in complement to the NEESgrid paper titled "distributed Hybrid Earthquake Engineering Experiments: Experiences with a Ground-Shaking Grid Application" also presented at this conference. It showcases some of NEESgrid"s features and capabilities in the area of distributed hybrid experiments, as well as new features developed since the distributed hybrid experiment was conducted. These new features and capabilities are in the areas of simulation portal, electronic notebook, data modeling, and improved live streaming of near real time sensor and video data.

关键词： Earthquake engineering Computational modeling Physics computing Collaboration Portals Streaming media Robot vision systems Cameras sensor systems Data acquisition

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Optimal multicast routing in wireless ad hoc sensor networks

Optimal multicast routing in wireless ad hoc sensor networks

引用

ieee international conference on Networking, Sensing and Control

作者： Ping Yuan Chunlin Ji Yangyang Zhang Yue Wang Research Center of Networks & Communications Northeastern University Shenyang China School of Information Science and Engineering Northeastern University Shenyang China

ISBN: (纸本)0780381939

Multicasting in wireless ad hoc sensor networks, i.e. one terminal sends the same data to multiple receivers, is an active field of research. In this paper, the optimal energy-aware multicast routing was studied in ad hoc sensor networks. The optimal multicast routing problem was formulated as an integer linear programming. A revised particle swarm optimization (PSO) algorithm, multi-phase discrete PSO was applied to solve this NP-hard problem in a distributed computing manner. To deal with the constraints e.g. connectivity constraint and broadcast constraint, a problem-independent constraint handling technique was proposed by introducing symbiosis mechanism to PSO algorithm. The performance of the algorithm was studied with different kinds of networks. Experiment results show that the presented algorithms can effectively solve the multicast routing problem in a reasonable time, even for large scale networks with numerous receivers.

关键词： Wireless sensor networks Routing Multicast algorithms Integer linear programming Particle swarm optimization NP-hard problem distributed computing Broadcasting Symbiosis Large-scale systems

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Proxy-based sensor deployment for mobile sensor networks

Proxy-based sensor deployment for mobile sensor networks

引用

ieee Internatonal conference on Mobile Adhoc and sensor systems (MASS)

作者： Guiling Wang Guohong Cao T. La Porta Department of Computer Science & Engineering Pennsylvania State University University Park PA USA

To provide satisfactory coverage is very important in many sensor network applications such as military surveillance. In order to obtain the required coverage in harsh environments, mobile sensors are helpful since they can move to cover the area not reachable by static sensors. Previous work on mobile sensor deployment is based on a round by round process, where sensors move iteratively until the maximum coverage is reached. Although these solutions can deploy mobile sensors in a distributed way, the mobile sensors may move in a zig-zag way and waste a lot of energy compared to moving directly to the final location. To address this problem, we propose a proxy-based sensor deployment protocol. Instead of moving iteratively, sensors calculate their target locations based on a distributed iterative algorithm, move logically, and exchange new logical locations with their new logical neighbors. Actual movement only occurs when sensors determine their final locations. Simulation results show that the proposed protocol can significantly reduce the energy consumption compared to previous work, while maintaining similar coverage.

关键词： Intelligent sensors sensor phenomena and characterization Protocols Costs Computer science Application software Military computing Iterative algorithms Energy consumption Wireless communication

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Constrained coverage for mobile sensor networks

Constrained coverage for mobile sensor networks

引用

ieee international conference on Robotics and Automation (ICRA)

作者： S. Poduri G.S. Sukhatme Robotic Embedded Systems Laboratory Center for Robotics and Embedded Systems Department of Computer Science University of Southern California Los Angeles CA USA

We consider the problem of self-deployment of a mobile sensor network. We are interested in a deployment strategy that maximizes the area coverage of the network with the constraint that each of the nodes has at least K neighbors, where K is a user-specified parameter. We propose an algorithm based on artificial potential fields which is distributed, scalable and does not require a prior map of the environment. Simulations establish that the resulting networks have the required degree with a high probability, are well connected and achieve good coverage. We present analytical results for the coverage achievable by uniform random and symmetrically tiled network configurations and use these to evaluate the performance of our algorithm.

关键词： Mobile robots sensor systems Robot sensing systems Embedded system Taxonomy Laboratories Computer science Mobile computing Global Positioning System Fires

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Controlling mobile sensors for monitoring events with coverage constraints

Controlling mobile sensors for monitoring events with covera...

引用

ieee international conference on Robotics and Automation (ICRA)

作者： Z. Butler D. Rus Institute for Security Technology Studies & Department of Computer Science Dartmouth College USA Cornouter Science and Artificial Intelligence Laboratory MIT USA

sensor networks are systems of many small units that work together to monitor a given environment. Endowing such sensor units with mobility can allow them to reactively converge on more interesting portions of their environment. This enables the concentration of sensing resources where they are most useful and provides robustness by delivering redundancy at the point of interest. However, when converging, in general the sensors should not leave any portion of the environment unsensed. In this paper, we review distributed methods for controlling the sensors and describe a family of distributed methods for retaining coverage while allowing the convergence to proceed where possible. The coverage methods are based on the Voronoi diagram of the sensors' positions, and can use different amounts of communication and computation to produce complete coverage of the environment. We also describe extensions that serve to make coverage more uniform or allow specific areas to be left uncovered. We present implementations of these algorithms in simulation and describe results and avenues of future work.

关键词： Intelligent sensors sensor systems Computerized monitoring sensor phenomena and characterization Mobile communication Mobile computing Computer security Computer science Educational institutions distributed control

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Toward sensorless manipulation using airflow

Toward sensorless manipulation using airflow

引用

ieee international conference on Robotics and Automation (ICRA)

作者： H. Moon J. Luntz Department of Mechanical Engineering University of Michigan Ann Arbor MI USA

distributed manipulation systems induce motions on objects through the application of forces at many points of contact. Current forms of distributed manipulation include multiple mobile robots, vibrating plates, actively controlled arrays of air jets, and planar micro and macro-mechanical arrays of actuators. The authors have presented a new form of distributed manipulation using passive air flow fields, which has been experimentally demonstrated along with a computational method to locate equilibria. This paper presents a numerical approach to check the uniqueness of the pivot point of lifted logarithmic potentials. For objects with a unique pivot point, a squeeze-like sequential manipulation using air flow which brings the object to a unique final pose is presented and verified with experiments.

关键词： sensor arrays Actuators Motion control sensorless control Robot sensing systems Moon Mechanical engineering Mobile robots distributed computing Manipulator dynamics

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